It's a security feature for Arduino. User is required to input the unlock pattern before remotely controlling/monitoring Arduino.
Project tutorial by phpoc_man
WebUSB enabled LOL shield, so anybody can change the text without any Arduino programming knowledge.
by Edwin Martin
A vehicle measures distance with an encoder on its wheel. It is remotely controlled and transmits the distance via Websocket.
Project tutorial by Matthew Lee
A simple but robust protocol to send messages (from php, master) and get responses from Arduino via USB. CRC8 and retry in case of error.
Project tutorial by msillano
Project tutorial by Kutluhan Aktar
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